8581131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 13549536

約数和(自身を除く): 4968405

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1033, 2769, 3099, 8307, 9297, 13429, 40287, 73343, 120861, 220029, 660087, 953459, 2860377, 8581131]

約数ペア:

[(1, 8581131), (3, 2860377), (9, 953459), (13, 660087), (39, 220029), (71, 120861), (117, 73343), (213, 40287), (639, 13429), (923, 9297), (1033, 8307), (2769, 3099)]